Kresimir Ritz defeated Marko Tkalec 3-6 6-3 6-4 in the Slovenia F3 qualifying round on clay. The upset overturned the form book — Marko Tkalec came in leading the head-to-head 1–0. Kresimir Ritz claimed a first win over Marko Tkalec in two meetings, levelling the head-to-head at 1–1.
Ritz K. came through in three sets.
Kresimir Ritz beat Marko Tkalec 3-6 6-3 6-4. Umpiry, "Kresimir Ritz vs Marko Tkalec — Slovenia F3 Qualifying Round", https://umpiry.com/match/1999-07-26/ritz-vs-tkalec-slovenia-f3-qf?utm_source=cite (as of 26 July 1999).